47262240 has 144 divisors (see below), whose sum is σ = 168412608. Its totient is φ = 12046848.

The previous prime is 47262211. The next prime is 47262247. The reversal of 47262240 is 4226274.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (47262247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32407 + ... + 33833.

It is an arithmetic number, because the mean of its divisors is an integer number (1169532).

Almost surely, 2^47262240 is an apocalyptic number.

47262240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47262240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84206304).

47262240 is an abundant number, since it is smaller than the sum of its proper divisors (121150368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47262240 is a wasteful number, since it uses less digits than its factorization.

47262240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 47262240 is about 6874.7538137740. The cubic root of 47262240 is about 361.5525540119.

The spelling of 47262240 in words is "forty-seven million, two hundred sixty-two thousand, two hundred forty".